253576890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{402503}}^1$

素因数の和:402523

約数の個数: 48

約数和(自身を含む): 753487488

約数和(自身を除く): 499910598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 402503, 805006, 1207509, 2012515, 2415018, 2817521, 3622527, 4025030, 5635042, 6037545, 7245054, 8452563, 12075090, 14087605, 16905126, 18112635, 25357689, 28175210, 36225270, 42262815, 50715378, 84525630, 126788445, 253576890]

約数ペア:

[(1, 253576890), (2, 126788445), (3, 84525630), (5, 50715378), (6, 42262815), (7, 36225270), (9, 28175210), (10, 25357689), (14, 18112635), (15, 16905126), (18, 14087605), (21, 12075090), (30, 8452563), (35, 7245054), (42, 6037545), (45, 5635042), (63, 4025030), (70, 3622527), (90, 2817521), (105, 2415018), (126, 2012515), (210, 1207509), (315, 805006), (630, 402503)]